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1069069 = 4492381
BaseRepresentation
bin100000101000000001101
32000022111011
410011000031
5233202234
634525221
712041551
oct4050015
92008434
101069069
11670231
12436811
132b57b1
141db861
15161b64
hex10500d

1069069 has 4 divisors (see below), whose sum is σ = 1071900. Its totient is φ = 1066240.

The previous prime is 1069051. The next prime is 1069087. The reversal of 1069069 is 9609601.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1069051) and next prime (1069087).

It can be written as a sum of positive squares in 2 ways, for example, as 213444 + 855625 = 462^2 + 925^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069069 - 27 = 1068941 is a prime.

It is a super-2 number, since 2×10690692 = 2285817053522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1069069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 742 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (267975).

21069069 is an apocalyptic number.

It is an amenable number.

1069069 is a deficient number, since it is larger than the sum of its proper divisors (2831).

1069069 is an equidigital number, since it uses as much as digits as its factorization.

1069069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1069069 is about 1033.9579295116. The cubic root of 1069069 is about 102.2512389183.

The spelling of 1069069 in words is "one million, sixty-nine thousand, sixty-nine".

Divisors: 1 449 2381 1069069